24d23
< $reverseopacity = 0;
43,50d41
< if (isset($_GET['opacity'])) {
<   $op = urldecode($_GET['opacity']);
<   $reverseopacity = floor(127.0 - ($op * 127.0));
< } else if (isset($_POST['opacity'])) {
<   $op = urldecode($_POST['opacity']);
<   $reverseopacity = floor(127.0 - ($op * 127.0));
< }
< 
64c55
< $red = imagecolorallocatealpha($gd, 255, 0, 0, $reverseopacity); 
---
> $red = imagecolorallocate($gd, 255, 0, 0); 
71c62
<   $red = imagecolorallocatealpha($gd, rand(0, 255), rand(0, 255), rand(0, 255), $reverseopacity); 
---
>   $red = imagecolorallocate($gd, rand(0, 255), rand(0, 255), rand(0, 255));